TP50-160/2 Shaft Seals Manual

27
Types of shaft seals
Shaft seals
Grundfos type C
Grundfos type C seal is defined as a O-ring seal with a
spring as seal driver.
Description/features
• Simple seal for low pressure and temperature
ranges.
As standard available in ceramic/carbon with NBR,
EPDM or FKM O-ring.
Fig. 36
Type C seal
Application profile
The type C seal has a ceramic/carbon application pro-
file.
Type C with ceramic/carbon seal faces
There is no relation between the indication of suitability
and the pressure-temperature diagram, but together
they form the application profile.
Suitability
Pressure-temperature diagram
The pressure-temperature diagram is based on clean
water.
The figures in the following table refer to the pressure-
temperature diagram.
Fig. 37
Pressure-temperature diagram
TM00 2583 4593
Suitable
Suitable under
certain
conditions
Not
suitable
Alkaline liquids
Acid liquids
Dry running
Solid particles in liquid
Precipitating/lime-contain-
ing liquids
Anti-freeze liquids
Pos.
Recommended service intervals
[operating hours] before wear-out
1 14,000 - 20,000
2 8,000 - 15,000
TM00 2592 3097